package java_array;

public class 交换数据数据 {
    public static void main(String[] args) {
        int arr[] = { 1, 2, 3, 4, 5 };
        for (int i = 0, j = arr.length - 1; i < j; i++, j--) {
            int temp = arr[i];
            arr[i] = arr[j];
            arr[j] = temp;
        }
        for (int i = 0; i < arr.length; i++) {
            System.out.println(arr[i]);
        }
    }

}
